Unit 3 Crossword

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Across
  1. 7. Oblong lymphoid aggregates of the gut located chiefly in the wall of the terminal and small intestine.
  2. 9. Patches of lymphatic tissue containing B and T cells that underlie the surface of most mucosal surfaces in the body.
  3. 13. Molecules on the surfaces of many types of microbes that are not present on host cells that mark the microbes as foreign.
  4. 14. neutrophils, eosinophils, and basophils.
  5. 15. Butterfly-shaped organ near the tip of the sternum that is the site of T-cell maturation.
  6. 18. ability of the body to recognize and react with multiple foreign substances
  7. 19. immunity that arises naturally in an organism via previous experience with the antigen.
  8. 20. A collection of monocytes and macrophages scattered throughout the extracellular spaces that function to engulf and degrade foreign molecules.
  9. 22. Enzymes secreted by cytotoxic T cells that damage proteins of target cells.
  10. 25. infection spreads to several sites and tissue
  11. 26. any cell, particle, or chemical that induces a specific immune response by B cells or T cells and can stimulate resistance to an infection or a toxin
  12. 27. pus formers:pneumococci, streptococci, staphylococci, and neisseriae.
  13. 30. period from the initial contact with an infectious agent to the appearance of the first symptom
  14. 33. originating or produced within an organism or one of its parts
  15. 35. Immunity acquired through direct stimulation of the immune system by antigen.
  16. 36. microbes gain a more stable foothold at the portal of entry
  17. 37. Proteins released by cytotoxic T cells that produce pores in target cells
  18. 38. Regulatory chemical released by cells of the immune system that serves as signal between different cells.
  19. 39. microbe passes host defense
  20. 41. Bacterial toxins that are potent stimuli for T cells and can be a factor in diseases such as toxic shock
  21. 43. first line and second line of defense
  22. 44. progresses and persistent infection
  23. 46. A specific chemical product of microbes, plants, and some animals that is poisonous to other organisms.
  24. 47. hazardous, outmoded process of deliberately introducing smallpox material scraped from a victim into the nonimmune subject in the hope of inducing resistance
  25. 48. serum protein components that act in a definite sequence when set in motion either by an antigen-antibody complex or by factors of the alternative (properdin) pathway
  26. 49. white blood cells capable of engulfing other cells and particles.
  27. 50. An extracellular enzyme chiefly for hydrolysis of nutrient macromolecules that are otherwise impervious to the cell membrane.
Down
  1. 1. Originating outside the body.
  2. 2. An infection that produces no noticeable symptoms even though the microbe is active in the host tissue.
  3. 3. plasmalike fluid carried by lymphatic cirrculation
  4. 4. Patches of lymphatic tissue containing B and T cells that underlie the surface of many skin surfaces in the body.
  5. 5. antigen that is present in some but not all members of the same species.
  6. 6. relative capacity of a pathogen to invade and harm host cells
  7. 8. observed by others
  8. 10. large amount of white blood cells
  9. 11. microbes found on/in normal human
  10. 12. more than one microbe infection
  11. 16. process by which the various types of blood cells are formed, such as in the bone marrow.
  12. 17. precise molecular group of an antigen that defines its specificity and triggers the immune response.
  13. 21. incomplete or partial antigen
  14. 23. third line of defense
  15. 24. disease communication, the natural host or habitat of a pathogen.
  16. 28. swelling, redness post trauma
  17. 29. comes on rapidly with severe, but short effects
  18. 30. chemical class of proteins to which antibodies belong
  19. 31. injection of whole microbes (killed or attenuated), toxoids, or parts of microbes as a prevention or cure for disease.
  20. 32. A toxin (usually protein) that is secreted and acts upon a specific cellular target.
  21. 34. evidence of disease sense by patient
  22. 40. state of being inactive
  23. 42. leukocyte (white blood cell) having globular, nonlobed nuclei and lacking prominent cytoplasmic granules.
  24. 45. enzyme found in sweat, tears, and saliva that breaks down bacterial peptidoglycan.